First Prefixes
First prefixes are codes like A1, AA, or 0AA that appear on the first one million pieces of a new banknote for each denomination. They are valued because they mark the start of that note’s production. Collectors often look for them because they are the earliest batch made. Some also collect first prefix variants—these are the first prefixes used when something changes in the note, such as a new signature, different printing company, added security feature, or updated design element. These details help collectors track changes in how the notes were made.
First Prefixes
O25 Prefix A1
Ungraded, well used
Lucky number
Market Price: $350
(2024)
B1000 Prefix A1
Ungraded, lightly used
Market Price: $1,200
(2024)
S2 Prefix AA
Ungraded, lightly used
Market Price: $20
(2024)
P100 Prefix 0AA
Ungraded, lightly used
Market Price: $150
(2024)
First-Prefix Variants
O5 Prefix A21 — HSS first signature
Ungraded, lightly used
Market Price: $185
(2024)
B50 Prefix A6 — Segmented thread
PMG 64 EPQ
Market Price: $340
(2024)
S1 Prefix D14 — HTT first signature
Ungraded, lightly used
Market Price: $4
(2024)
P5 Prefix 4AA — TS first signature
Ungraded, well used
Market Price: $6
(2024)
Orchid First Prefixes
- $1 LKS: A1
- $1 GKS: B12
- $1 HSS w/o seal: B42
- $1 HSS with seal: C7
- $5 LKS: A1
- $5 GKS: A21
- $5 HSS w/o seal: A21
- $5 HSS with seal: A26
- $10 LKS: A1
- $10 GKS: A66
- $10 HSS w/o seal: A81
- $10 HSS with seal: A81
- $25 HSS with seal: A1
- $50 LKS: A1
- $50 GKS: A15
- $50 HSS w/o seal: A23
- $50 HSS with seal: A31
- $100 LKS: A1
- $100 GKS: A2
- $100 HSS w/o seal: A2
- $100 HSS with seal: A3
- $500 HSS with seal: A1
- $1000 LKS: A1
- $1000 GKS: A1
- $1000 HSS w/o seal: A1
- $1000 HSS with seal: A1
- $10000 HSS with seal: A1
Bird First Prefixes
- $1 HSS solid thread: A1
- $1 HSS segmented thread: G7
- $5 HSS solid thread: A1
- $10 HSS solid thread: A1
- $10 HSS segmented thread: A16
- $20 HSS solid thread: A1
- $50 HSS solid thread: A1
- $50 HSS segmented thread: A6
- $100 HSS solid thread: A1
- $500 HSS solid thread: A1
- $1000 HSS solid & segmented threads: A1
- $10000 HSS solid & segmented threads: A1
Ship First Prefixes
- $1 GKS solid thread: A1
- $1 HTT solid thread: D14
- $2 HTT Orange TDLR: AA
- $2 HTT Purple TDLR: FA
- $2 HTT Purple HAS: RB
- $2 HTT Purple TDLR: BN
- $2 HTT Purple BA: EA
- $5 HTT TDLR: A1
- $5 HTT HAS: A77
- $10 HTT solid thread: A1
- $50 HTT solid thread: A1
- $50 HTT segmented thread: B72
- $50 HTT clear text thread: C96
- $100 GKS solid thread: A1
- $100 HTT solid thread: A13
- $100 HTT segmented thread: A18
- $500 HTT solid thread: A1
- $1000 GKS solid thread: A1
- $1000 HTT solid thread: A2
- $10000 HTT solid thread: AA
Portrait First Prefixes
- $2 HTT paper: 0AA
- $2 LHL paper: 1AA
- $2 GCT polymer: 2AA
- $2 TS polymer: 5AA
- $5 HTT paper: 0AA
- $5 LHL paper: 1AA
- $5 GCT polymer: 2AA
- $5 TS polymer: 4AA
- $10 HTT paper: 0AA
- $10 LHL paper: 1AA
- $10 LHL polymer: 0AA
- $10 GCT polymer: 2BA
- $10 TS polymer: 5BA
- $50 HTT BCCS: 0AA
- $50 LHL BCCS: 1HL
- $50 LHL MAS: 2AA
- $50 GCT MAS: 3AA
- $50 TS MAS: 4AA
- $100 HTT: 0AA
- $100 GCT: 1AA
- $100 TS: 2AA
- $1000 HTT: 0AA
- $1000 GCT: 2AA
- $1000 TS: 4AA
- $10000 HTT: 0AA
Commemorative First Prefixes
- 1990 SG25 $50: B
- 1996 MAS25 $25: –
- 1999 M2 $2: 0
- 2007 CIA40 $20: 0AA
- 2015 SG50 $50: 50AA
- 2015 SG50 $10: 5AA
- 2017 CIA50 $50: 50AA
- 2019 B200 $20: AB